# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc -mtriple=thumbv8.1m.main-none-eabi -mattr=+mve -run-pass=arm-block-placement -verify-machineinstrs %s -o - | FileCheck %s --- | ; Checks that Predecessor gets moved (to before the LoopExit) if it contains a backward WLS. define void @backwards_branch(i32 %N, i32* nocapture %a, i32* nocapture readonly %b) { entry: unreachable } ; Checks that Predecessor (containing a backwards WLS) does not get moved to before the loopExit if it is the entry block. define void @backwards_branch_entry_block(i32 %N, i32* nocapture %a, i32* nocapture readonly %b) { entry: unreachable } ; Checks that Predecessor (to which a forward WLS exists) is not moved if moving it would cause the WLS to become backwards branching. define void @backwards_branch_backwards_wls(i32 %N, i32 %M, i32* nocapture %a, i32* nocapture %b, i32* nocapture %c) { entry: unreachable } ; Checks that a MachineFunction is unaffected if it doesn't contain any WLS (pseudo) instruction. define void @no_predecessor(i32 %N, i32 %M, i32* nocapture %a, i32* nocapture %b, i32* nocapture %c) { entry: unreachable } ; Within a nested (Both the WLS and loopExit are at depth=3 here) loop, checks that Predecessor ; gets moved (in backward direction) if there exists a backdwards WLS from it to the LoopExit. define void @nested_loops(i32 %n, i32 %m, i32 %l, i8* noalias %X, i8* noalias %Y) { entry: unreachable } ; Checks that Predecessor (to which a forward WLS exists) is moved if moving it would NOT cause the WLS ; to become backwards branching. define void @backwards_branch_forwards_wls(i32 %N, i32 %M, i32* nocapture %a, i32* nocapture %b, i32* nocapture %c) { entry: unreachable } ; Checks that multiple predecessor case is handled appropriately define void @multiple_predecessors(i32 %d, i32 %e, i32 %f) { entry: unreachable } ; Checks that blocks after jump tables work define void @jump_table(i32 %d, i32 %e, i32 %f) { entry: unreachable } declare dso_local i32 @g(...) declare dso_local i32 @h(...) ... --- name: backwards_branch tracksRegLiveness: true body: | ; CHECK-LABEL: name: backwards_branch ; CHECK: bb.0: ; CHECK-NEXT: successors: %bb.1(0x80000000) ; CHECK-NEXT: liveins: $r0, $r1, $r2, $lr ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr ; CHECK-NEXT: t2IT 11, 8, implicit-def $itstate ; CHECK-NEXT: frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.1: ; CHECK-NEXT: successors: %bb.3(0x80000000) ; CHECK-NEXT: liveins: $r0, $r1, $r2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: $lr = t2WhileLoopStartLR killed renamable $r0, %bb.2, implicit-def dead $cpsr ; CHECK-NEXT: t2B %bb.3, 14 /* CC::al */, $noreg ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2: ; CHECK-NEXT: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3: ; CHECK-NEXT: successors: %bb.3(0x7c000000), %bb.2(0x04000000) ; CHECK-NEXT: liveins: $lr, $r1, $r2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $r0 = tLDRi renamable $r2, 0, 14 /* CC::al */, $noreg ; CHECK-NEXT: tSTRi killed renamable $r0, renamable $r1, 0, 14 /* CC::al */, $noreg ; CHECK-NEXT: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr ; CHECK-NEXT: t2B %bb.2, 14 /* CC::al */, $noreg bb.0: successors: %bb.2(0x80000000) liveins: $r0, $r1, $r2, $lr tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr t2IT 11, 8, implicit-def $itstate frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate bb.1: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc bb.2: successors: %bb.3(0x80000000) liveins: $r0, $r1, $r2 $lr = t2WhileLoopStartLR killed renamable $r0, %bb.1, implicit-def dead $cpsr bb.3: successors: %bb.3(0x7c000000), %bb.1(0x04000000) liveins: $lr, $r1, $r2 renamable $r0 = tLDRi renamable $r2, 0, 14 /* CC::al */, $noreg tSTRi killed renamable $r0, renamable $r1, 0, 14 /* CC::al */, $noreg renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr t2B %bb.1, 14 /* CC::al */, $noreg ... --- name: backwards_branch_entry_block tracksRegLiveness: true body: | ; CHECK-LABEL: name: backwards_branch_entry_block ; CHECK: bb.0: ; CHECK-NEXT: successors: %bb.2(0x80000000) ; CHECK-NEXT: liveins: $r0, $r1, $r2, $lr ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr ; CHECK-NEXT: t2IT 11, 8, implicit-def $itstate ; CHECK-NEXT: frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.1: ; CHECK-NEXT: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2: ; CHECK-NEXT: successors: %bb.3(0x80000000) ; CHECK-NEXT: liveins: $r0, $r1, $r2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: $lr = t2WhileLoopStartLR killed renamable $r0, %bb.0, implicit-def dead $cpsr ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3: ; CHECK-NEXT: successors: %bb.3(0x7c000000), %bb.1(0x04000000) ; CHECK-NEXT: liveins: $lr, $r1, $r2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $r0 = tLDRi renamable $r2, 0, 14 /* CC::al */, $noreg ; CHECK-NEXT: tSTRi killed renamable $r0, renamable $r1, 0, 14 /* CC::al */, $noreg ; CHECK-NEXT: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr ; CHECK-NEXT: t2B %bb.1, 14 /* CC::al */, $noreg bb.0: successors: %bb.2(0x80000000) liveins: $r0, $r1, $r2, $lr tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr t2IT 11, 8, implicit-def $itstate frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate bb.1: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc bb.2: successors: %bb.3(0x80000000) liveins: $r0, $r1, $r2 $lr = t2WhileLoopStartLR killed renamable $r0, %bb.0, implicit-def dead $cpsr bb.3: successors: %bb.3(0x7c000000), %bb.1(0x04000000) liveins: $lr, $r1, $r2 renamable $r0 = tLDRi renamable $r2, 0, 14 /* CC::al */, $noreg tSTRi killed renamable $r0, renamable $r1, 0, 14 /* CC::al */, $noreg renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr t2B %bb.1, 14 /* CC::al */, $noreg ... --- name: backwards_branch_backwards_wls tracksRegLiveness: true body: | ; CHECK-LABEL: name: backwards_branch_backwards_wls ; CHECK: bb.0: ; CHECK-NEXT: successors: %bb.2(0x80000000) ; CHECK-NEXT: liveins: $r0, $r1, $r2, $lr ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr ; CHECK-NEXT: t2IT 11, 8, implicit-def $itstate ; CHECK-NEXT: frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.1: ; CHECK-NEXT: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2: ; CHECK-NEXT: successors: %bb.3(0x40000000), %bb.6(0x40000000) ; CHECK-NEXT: liveins: $r0, $r1, $r2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: $lr = t2WhileLoopStartLR killed renamable $r0, %bb.3, implicit-def dead $cpsr ; CHECK-NEXT: t2B %bb.6, 14 /* CC::al */, $noreg ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3: ; CHECK-NEXT: successors: %bb.1(0x7c000000), %bb.4(0x04000000) ; CHECK-NEXT: liveins: $lr, $r0, $r1, $r2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: t2CMPri renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr ; CHECK-NEXT: t2Bcc %bb.1, 0 /* CC::eq */, $cpsr ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.4: ; CHECK-NEXT: successors: %bb.5(0x80000000) ; CHECK-NEXT: liveins: $r2, $r1, $r0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: $lr = t2DoLoopStart renamable $r0 ; CHECK-NEXT: t2B %bb.5, 14 /* CC::al */, $noreg ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.5: ; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.5(0x40000000) ; CHECK-NEXT: liveins: $lr, $r1, $r2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.5, implicit-def dead $cpsr ; CHECK-NEXT: t2B %bb.1, 14 /* CC::al */, $noreg ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.6: ; CHECK-NEXT: successors: %bb.6(0x40000000), %bb.3(0x40000000) ; CHECK-NEXT: liveins: $lr, $r1, $r2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.6, implicit-def dead $cpsr ; CHECK-NEXT: t2B %bb.3, 14 /* CC::al */, $noreg bb.0: successors: %bb.2(0x80000000) liveins: $r0, $r1, $r2, $lr tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr t2IT 11, 8, implicit-def $itstate frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate bb.1: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc bb.2: successors: %bb.3(0x80000000), %bb.5(0x80000000) liveins: $r0, $r1, $r2 $lr = t2WhileLoopStartLR killed renamable $r0, %bb.3, implicit-def dead $cpsr t2B %bb.5, 14 /* CC::al */, $noreg bb.3: successors: %bb.1(0x7c000000), %bb.4(0x04000000) liveins: $lr, $r0, $r1, $r2 $lr = t2WhileLoopStartLR killed renamable $r0, %bb.1, implicit-def dead $cpsr t2B %bb.4, 14 /* CC::al */, $noreg bb.4: successors: %bb.1, %bb.4 liveins: $lr, $r1, $r2 renamable $lr = t2LoopEndDec killed renamable $lr, %bb.4, implicit-def dead $cpsr t2B %bb.1, 14 /* CC::al */, $noreg bb.5: successors: %bb.5, %bb.3 liveins: $lr, $r1, $r2 renamable $lr = t2LoopEndDec killed renamable $lr, %bb.5, implicit-def dead $cpsr t2B %bb.3, 14 /* CC::al */, $noreg ... --- name: no_predecessor tracksRegLiveness: true body: | ; CHECK-LABEL: name: no_predecessor ; CHECK: bb.0: ; CHECK-NEXT: successors: %bb.2(0x30000000), %bb.1(0x50000000) ; CHECK-NEXT: liveins: $r0, $r4, $r5, $r7, $lr ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: frame-setup tPUSH 14 /* CC::al */, $noreg, killed $r4, killed $r5, $r7, killed $lr, implicit-def $sp, implicit $sp ; CHECK-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 16 ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $lr, -4 ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $r7, -8 ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $r5, -12 ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $r4, -16 ; CHECK-NEXT: $r7 = frame-setup tADDrSPi $sp, 2, 14 /* CC::al */, $noreg ; CHECK-NEXT: frame-setup CFI_INSTRUCTION def_cfa $r7, 8 ; CHECK-NEXT: $r4 = tMOVr killed $r0, 14 /* CC::al */, $noreg ; CHECK-NEXT: tBL 14 /* CC::al */, $noreg, @g, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $r0 ; CHECK-NEXT: tCMPi8 killed renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr ; CHECK-NEXT: t2Bcc %bb.2, 0 /* CC::eq */, killed $cpsr ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.1: ; CHECK-NEXT: successors: %bb.4(0x80000000) ; CHECK-NEXT: liveins: $r4 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $r0, dead $cpsr = tMOVi8 4, 14 /* CC::al */, $noreg ; CHECK-NEXT: renamable $r5 = t2LDRSHi12 killed renamable $r0, 0, 14 /* CC::al */, $noreg ; CHECK-NEXT: t2B %bb.4, 14 /* CC::al */, $noreg ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2: ; CHECK-NEXT: successors: %bb.4(0x80000000) ; CHECK-NEXT: liveins: $r4 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $r5, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg ; CHECK-NEXT: t2B %bb.4, 14 /* CC::al */, $noreg ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3: ; CHECK-NEXT: successors: %bb.4(0x80000000) ; CHECK-NEXT: liveins: $r4, $r5 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: $r0 = tMOVr $r5, 14 /* CC::al */, $noreg ; CHECK-NEXT: tBL 14 /* CC::al */, $noreg, @h, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit-def $sp, implicit-def dead $r0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.4: ; CHECK-NEXT: successors: %bb.5(0x04000000), %bb.3(0x7c000000) ; CHECK-NEXT: liveins: $r4, $r5 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $r0 = tLDRi renamable $r4, 0, 14 /* CC::al */, $noreg ; CHECK-NEXT: tCMPi8 killed renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr ; CHECK-NEXT: t2Bcc %bb.3, 1 /* CC::ne */, killed $cpsr ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.5: ; CHECK-NEXT: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r4, def $r5, def $r7, def $pc bb.0: successors: %bb.1(0x30000000), %bb.2(0x50000000) liveins: $r0, $r4, $r5, $r7, $lr frame-setup tPUSH 14 /* CC::al */, $noreg, killed $r4, killed $r5, $r7, killed $lr, implicit-def $sp, implicit $sp frame-setup CFI_INSTRUCTION def_cfa_offset 16 frame-setup CFI_INSTRUCTION offset $lr, -4 frame-setup CFI_INSTRUCTION offset $r7, -8 frame-setup CFI_INSTRUCTION offset $r5, -12 frame-setup CFI_INSTRUCTION offset $r4, -16 $r7 = frame-setup tADDrSPi $sp, 2, 14 /* CC::al */, $noreg frame-setup CFI_INSTRUCTION def_cfa $r7, 8 $r4 = tMOVr killed $r0, 14 /* CC::al */, $noreg tBL 14 /* CC::al */, $noreg, @g, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $r0 tCMPi8 killed renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr t2Bcc %bb.1, 0 /* CC::eq */, killed $cpsr bb.2: successors: %bb.3(0x80000000) liveins: $r4 renamable $r0, dead $cpsr = tMOVi8 4, 14 /* CC::al */, $noreg renamable $r5 = t2LDRSHi12 killed renamable $r0, 0, 14 /* CC::al */, $noreg t2B %bb.3, 14 /* CC::al */, $noreg bb.1: successors: %bb.3(0x80000000) liveins: $r4 renamable $r5, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg t2B %bb.3, 14 /* CC::al */, $noreg bb.4: successors: %bb.3(0x80000000) liveins: $r4, $r5 $r0 = tMOVr $r5, 14 /* CC::al */, $noreg tBL 14 /* CC::al */, $noreg, @h, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit-def $sp, implicit-def dead $r0 bb.3: successors: %bb.5(0x04000000), %bb.4(0x7c000000) liveins: $r4, $r5 renamable $r0 = tLDRi renamable $r4, 0, 14 /* CC::al */, $noreg tCMPi8 killed renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr t2Bcc %bb.4, 1 /* CC::ne */, killed $cpsr bb.5: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r4, def $r5, def $r7, def $pc ... --- name: nested_loops tracksRegLiveness: true liveins: - { reg: '$r0' } - { reg: '$r1' } - { reg: '$r2' } - { reg: '$r3' } frameInfo: stackSize: 32 maxAlignment: 4 maxCallFrameSize: 0 fixedStack: - { id: 0, size: 4, alignment: 8, isImmutable: true } stack: - { id: 0, type: spill-slot, offset: -4, size: 4, alignment: 4, callee-saved-register: '$lr', callee-saved-restored: false } - { id: 1, type: spill-slot, offset: -8, size: 4, alignment: 4, callee-saved-register: '$r10' } - { id: 2, type: spill-slot, offset: -12, size: 4, alignment: 4, callee-saved-register: '$r9' } - { id: 3, type: spill-slot, offset: -16, size: 4, alignment: 4, callee-saved-register: '$r8' } - { id: 4, type: spill-slot, offset: -20, size: 4, alignment: 4, callee-saved-register: '$r7' } - { id: 5, type: spill-slot, offset: -24, size: 4, alignment: 4, callee-saved-register: '$r6' } - { id: 6, type: spill-slot, offset: -28, size: 4, alignment: 4, callee-saved-register: '$r5' } - { id: 7, type: spill-slot, offset: -32, size: 4, alignment: 4, callee-saved-register: '$r4' } machineFunctionInfo: {} body: | ; CHECK-LABEL: name: nested_loops ; CHECK: bb.0: ; CHECK-NEXT: successors: %bb.1(0x80000000) ; CHECK-NEXT: liveins: $r0, $r1, $r2, $r3, $r4, $r5, $r6, $r7, $r8, $r9, $r10, $lr ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: $sp = frame-setup t2STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r4, killed $r5, killed $r6, killed $r7, killed $r8, killed $r9, killed $r10, killed $lr ; CHECK-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 32 ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $lr, -4 ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $r10, -8 ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $r9, -12 ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $r8, -16 ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $r7, -20 ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $r6, -24 ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $r5, -28 ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $r4, -32 ; CHECK-NEXT: tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr ; CHECK-NEXT: t2IT 11, 8, implicit-def $itstate ; CHECK-NEXT: $sp = frame-destroy t2LDMIA_RET $sp, 11 /* CC::lt */, killed $cpsr, def $r4, def $r5, def $r6, def $r7, def $r8, def $r9, def $r10, def $pc, implicit killed $itstate ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.1: ; CHECK-NEXT: successors: %bb.3(0x80000000) ; CHECK-NEXT: liveins: $r0, $r1, $r2, $r3 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $r12 = t2LDRi12 $sp, 32, 14 /* CC::al */, $noreg :: (load (s32) from %fixed-stack.0, align 8) ; CHECK-NEXT: $r9 = tMOVr killed $r2, 14 /* CC::al */, $noreg ; CHECK-NEXT: renamable $r8 = t2MOVi 0, 14 /* CC::al */, $noreg, $noreg ; CHECK-NEXT: t2B %bb.3, 14 /* CC::al */, $noreg ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2: ; CHECK-NEXT: successors: %bb.9(0x04000000), %bb.3(0x7c000000) ; CHECK-NEXT: liveins: $r0, $r1, $r3, $r8, $r9, $r12 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $r8 = nuw nsw t2ADDri killed renamable $r8, 1, 14 /* CC::al */, $noreg, $noreg ; CHECK-NEXT: renamable $r3, dead $cpsr = tADDi8 killed renamable $r3, 1, 14 /* CC::al */, $noreg ; CHECK-NEXT: tCMPhir renamable $r8, renamable $r0, 14 /* CC::al */, $noreg, implicit-def $cpsr ; CHECK-NEXT: renamable $r12 = t2ADDri killed renamable $r12, 1, 14 /* CC::al */, $noreg, $noreg ; CHECK-NEXT: t2Bcc %bb.9, 0 /* CC::eq */, killed $cpsr ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3: ; CHECK-NEXT: successors: %bb.4(0x50000000), %bb.2(0x30000000) ; CHECK-NEXT: liveins: $r0, $r1, $r3, $r8, $r9, $r12 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: tCMPi8 renamable $r1, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr ; CHECK-NEXT: t2Bcc %bb.2, 11 /* CC::lt */, killed $cpsr ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.4: ; CHECK-NEXT: successors: %bb.5(0x80000000) ; CHECK-NEXT: liveins: $r0, $r1, $r3, $r8, $r9, $r12 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $r4, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg ; CHECK-NEXT: $r10 = tMOVr $r12, 14 /* CC::al */, $noreg ; CHECK-NEXT: $r2 = tMOVr $r3, 14 /* CC::al */, $noreg ; CHECK-NEXT: t2B %bb.5, 14 /* CC::al */, $noreg ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.5: ; CHECK-NEXT: successors: %bb.7(0x50000000), %bb.6(0x30000000) ; CHECK-NEXT: liveins: $r0, $r1, $r2, $r3, $r4, $r8, $r9, $r10, $r12 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $lr = t2WhileLoopStartLR killed renamable $r9, %bb.6, implicit-def dead $cpsr ; CHECK-NEXT: t2B %bb.7, 14 /* CC::al */, $noreg ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.6: ; CHECK-NEXT: successors: %bb.2(0x04000000), %bb.5(0x7c000000) ; CHECK-NEXT: liveins: $r0, $r1, $r2, $r3, $r4, $r8, $r9, $r10, $r12 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $r4, dead $cpsr = nuw nsw tADDi8 killed renamable $r4, 1, 14 /* CC::al */, $noreg ; CHECK-NEXT: renamable $r2, dead $cpsr = tADDi8 killed renamable $r2, 1, 14 /* CC::al */, $noreg ; CHECK-NEXT: tCMPr renamable $r4, renamable $r1, 14 /* CC::al */, $noreg, implicit-def $cpsr ; CHECK-NEXT: renamable $r10 = t2ADDri killed renamable $r10, 1, 14 /* CC::al */, $noreg, $noreg ; CHECK-NEXT: t2Bcc %bb.2, 0 /* CC::eq */, killed $cpsr ; CHECK-NEXT: t2B %bb.5, 14 /* CC::al */, $noreg ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.7: ; CHECK-NEXT: successors: %bb.8(0x80000000) ; CHECK-NEXT: liveins: $r0, $r1, $r2, $r3, $r4, $r8, $r9, $r10, $r12 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: $r5 = tMOVr $r10, 14 /* CC::al */, $noreg ; CHECK-NEXT: $r6 = tMOVr $r2, 14 /* CC::al */, $noreg ; CHECK-NEXT: t2B %bb.8, 14 /* CC::al */, $noreg ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.8: ; CHECK-NEXT: successors: %bb.8(0x7c000000), %bb.6(0x04000000) ; CHECK-NEXT: liveins: $lr, $r0, $r1, $r2, $r3, $r4, $r5, $r6, $r8, $r9, $r10, $r12 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: tSTRi killed $r0, $r1, 0, 14 /* CC::al */, $noreg ; CHECK-NEXT: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.8, implicit-def dead $cpsr ; CHECK-NEXT: t2B %bb.6, 14 /* CC::al */, $noreg ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.9: ; CHECK-NEXT: $sp = frame-destroy t2LDMIA_RET $sp, 14 /* CC::al */, $noreg, def $r4, def $r5, def $r6, def $r7, def $r8, def $r9, def $r10, def $pc bb.0: successors: %bb.1 liveins: $r0, $r1, $r2, $r3, $r4, $r5, $r6, $r7, $r8, $r9, $r10, $lr $sp = frame-setup t2STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r4, killed $r5, killed $r6, killed $r7, killed $r8, killed $r9, killed $r10, killed $lr frame-setup CFI_INSTRUCTION def_cfa_offset 32 frame-setup CFI_INSTRUCTION offset $lr, -4 frame-setup CFI_INSTRUCTION offset $r10, -8 frame-setup CFI_INSTRUCTION offset $r9, -12 frame-setup CFI_INSTRUCTION offset $r8, -16 frame-setup CFI_INSTRUCTION offset $r7, -20 frame-setup CFI_INSTRUCTION offset $r6, -24 frame-setup CFI_INSTRUCTION offset $r5, -28 frame-setup CFI_INSTRUCTION offset $r4, -32 tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr t2IT 11, 8, implicit-def $itstate $sp = frame-destroy t2LDMIA_RET $sp, 11 /* CC::lt */, killed $cpsr, def $r4, def $r5, def $r6, def $r7, def $r8, def $r9, def $r10, def $pc, implicit killed $itstate bb.1: liveins: $r0, $r1, $r2, $r3 renamable $r12 = t2LDRi12 $sp, 32, 14 /* CC::al */, $noreg :: (load (s32) from %fixed-stack.0, align 8) $r9 = tMOVr killed $r2, 14 /* CC::al */, $noreg renamable $r8 = t2MOVi 0, 14 /* CC::al */, $noreg, $noreg t2B %bb.2, 14 /* CC::al */, $noreg bb.8: successors: %bb.9(0x04000000), %bb.2(0x7c000000) liveins: $r0, $r1, $r3, $r8, $r9, $r12 renamable $r8 = nuw nsw t2ADDri killed renamable $r8, 1, 14 /* CC::al */, $noreg, $noreg renamable $r3, dead $cpsr = tADDi8 killed renamable $r3, 1, 14 /* CC::al */, $noreg tCMPhir renamable $r8, renamable $r0, 14 /* CC::al */, $noreg, implicit-def $cpsr renamable $r12 = t2ADDri killed renamable $r12, 1, 14 /* CC::al */, $noreg, $noreg t2Bcc %bb.9, 0 /* CC::eq */, killed $cpsr bb.2: successors: %bb.3(0x50000000), %bb.8(0x30000000) liveins: $r0, $r1, $r3, $r8, $r9, $r12 tCMPi8 renamable $r1, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr t2Bcc %bb.8, 11 /* CC::lt */, killed $cpsr bb.3: liveins: $r0, $r1, $r3, $r8, $r9, $r12 renamable $r4, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg $r10 = tMOVr $r12, 14 /* CC::al */, $noreg $r2 = tMOVr $r3, 14 /* CC::al */, $noreg t2B %bb.4, 14 /* CC::al */, $noreg bb.7: successors: %bb.8(0x04000000), %bb.4(0x7c000000) liveins: $r0, $r1, $r2, $r3, $r4, $r8, $r9, $r10, $r12 renamable $r4, dead $cpsr = nuw nsw tADDi8 killed renamable $r4, 1, 14 /* CC::al */, $noreg renamable $r2, dead $cpsr = tADDi8 killed renamable $r2, 1, 14 /* CC::al */, $noreg tCMPr renamable $r4, renamable $r1, 14 /* CC::al */, $noreg, implicit-def $cpsr renamable $r10 = t2ADDri killed renamable $r10, 1, 14 /* CC::al */, $noreg, $noreg t2Bcc %bb.8, 0 /* CC::eq */, killed $cpsr bb.4: successors: %bb.5(0x50000000), %bb.7(0x30000000) liveins: $r0, $r1, $r2, $r3, $r4, $r8, $r9, $r10, $r12 renamable $lr = t2WhileLoopStartLR killed renamable $r9, %bb.7, implicit-def dead $cpsr bb.5: liveins: $r0, $r1, $r2, $r3, $r4, $r8, $r9, $r10, $r12 $r5 = tMOVr $r10, 14 /* CC::al */, $noreg $r6 = tMOVr $r2, 14 /* CC::al */, $noreg t2B %bb.6, 14 /* CC::al */, $noreg bb.6: successors: %bb.6(0x7c000000), %bb.7(0x04000000) liveins: $lr, $r0, $r1, $r2, $r3, $r4, $r5, $r6, $r8, $r9, $r10, $r12 tSTRi killed $r0, $r1, 0, 14 /* CC::al */, $noreg renamable $lr = t2LoopEndDec killed renamable $lr, %bb.6, implicit-def dead $cpsr t2B %bb.7, 14 /* CC::al */, $noreg bb.9: $sp = frame-destroy t2LDMIA_RET $sp, 14 /* CC::al */, $noreg, def $r4, def $r5, def $r6, def $r7, def $r8, def $r9, def $r10, def $pc ... --- name: backwards_branch_forwards_wls tracksRegLiveness: true body: | ; CHECK-LABEL: name: backwards_branch_forwards_wls ; CHECK: bb.0: ; CHECK-NEXT: successors: %bb.1(0x80000000) ; CHECK-NEXT: liveins: $r0, $r1, $r2, $lr ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr ; CHECK-NEXT: t2IT 11, 8, implicit-def $itstate ; CHECK-NEXT: frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.1: ; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.5(0x40000000) ; CHECK-NEXT: liveins: $r0, $r1, $r2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: $lr = t2WhileLoopStartLR killed renamable $r0, %bb.2, implicit-def dead $cpsr ; CHECK-NEXT: t2B %bb.5, 14 /* CC::al */, $noreg ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2: ; CHECK-NEXT: successors: %bb.4(0x40000000), %bb.3(0x40000000) ; CHECK-NEXT: liveins: $lr, $r0, $r1, $r2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: $lr = t2WhileLoopStartLR killed renamable $r0, %bb.3, implicit-def dead $cpsr ; CHECK-NEXT: t2B %bb.4, 14 /* CC::al */, $noreg ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3: ; CHECK-NEXT: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.4: ; CHECK-NEXT: successors: %bb.3(0x40000000), %bb.4(0x40000000) ; CHECK-NEXT: liveins: $lr, $r1, $r2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.4, implicit-def dead $cpsr ; CHECK-NEXT: t2B %bb.3, 14 /* CC::al */, $noreg ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.5: ; CHECK-NEXT: successors: %bb.5(0x40000000), %bb.2(0x40000000) ; CHECK-NEXT: liveins: $lr, $r1, $r2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.5, implicit-def dead $cpsr ; CHECK-NEXT: t2B %bb.2, 14 /* CC::al */, $noreg bb.0: successors: %bb.2 liveins: $r0, $r1, $r2, $lr tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr t2IT 11, 8, implicit-def $itstate frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate bb.2: successors: %bb.3, %bb.5 liveins: $r0, $r1, $r2 $lr = t2WhileLoopStartLR killed renamable $r0, %bb.3, implicit-def dead $cpsr t2B %bb.5, 14 /* CC::al */, $noreg bb.1: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc bb.3: successors: %bb.4, %bb.1 liveins: $lr, $r0, $r1, $r2 $lr = t2WhileLoopStartLR killed renamable $r0, %bb.1, implicit-def dead $cpsr t2B %bb.4, 14 /* CC::al */, $noreg bb.4: successors: %bb.1, %bb.4 liveins: $lr, $r1, $r2 renamable $lr = t2LoopEndDec killed renamable $lr, %bb.4, implicit-def dead $cpsr t2B %bb.1, 14 /* CC::al */, $noreg bb.5: successors: %bb.5, %bb.3 liveins: $lr, $r1, $r2 renamable $lr = t2LoopEndDec killed renamable $lr, %bb.5, implicit-def dead $cpsr t2B %bb.3, 14 /* CC::al */, $noreg ... --- name: multiple_predecessors tracksRegLiveness: true body: | ; CHECK-LABEL: name: multiple_predecessors ; CHECK: bb.0: ; CHECK-NEXT: successors: %bb.3(0x55555555), %bb.2(0x2aaaaaab) ; CHECK-NEXT: liveins: $r0, $r1, $r2, $r7, $lr ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: frame-setup tPUSH 14 /* CC::al */, $noreg, killed $r7, killed $lr, implicit-def $sp, implicit $sp ; CHECK-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 8 ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $lr, -4 ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $r7, -8 ; CHECK-NEXT: $sp = frame-setup tSUBspi $sp, 1, 14 /* CC::al */, $noreg ; CHECK-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 12 ; CHECK-NEXT: tCMPi8 killed renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr ; CHECK-NEXT: t2IT 0, 8, implicit-def $itstate ; CHECK-NEXT: tCMPi8 killed renamable $r1, 8, 0 /* CC::eq */, killed $cpsr, implicit-def $cpsr, implicit killed $itstate ; CHECK-NEXT: t2Bcc %bb.2, 0 /* CC::eq */, killed $cpsr ; CHECK-NEXT: t2B %bb.3, 14 /* CC::al */, $noreg ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.1: ; CHECK-NEXT: successors: %bb.6(0x40000000), %bb.3(0x40000000) ; CHECK-NEXT: liveins: $r0, $r1, $r2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $lr = t2WhileLoopStartLR killed renamable $r2, %bb.3, implicit-def dead $cpsr ; CHECK-NEXT: t2B %bb.6, 14 /* CC::al */, $noreg ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2: ; CHECK-NEXT: successors: %bb.4(0x40000000), %bb.3(0x40000000) ; CHECK-NEXT: liveins: $r2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $lr = t2WhileLoopStartLR renamable $r2, %bb.3, implicit-def dead $cpsr ; CHECK-NEXT: t2B %bb.4, 14 /* CC::al */, $noreg ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3: ; CHECK-NEXT: $sp = frame-destroy tADDspi $sp, 1, 14 /* CC::al */, $noreg ; CHECK-NEXT: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc, implicit undef $r0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.4: ; CHECK-NEXT: successors: %bb.5(0x80000000) ; CHECK-NEXT: liveins: $lr, $r2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $r3, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg ; CHECK-NEXT: renamable $r1 = t2ADDri $sp, 2, 14 /* CC::al */, $noreg, $noreg ; CHECK-NEXT: renamable $r0 = IMPLICIT_DEF ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.5: ; CHECK-NEXT: successors: %bb.5(0x7c000000), %bb.1(0x04000000) ; CHECK-NEXT: liveins: $lr, $r0, $r1, $r2, $r3 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $q0, renamable $r0 = MVE_VIWDUPu16 killed renamable $r0, renamable $r3, 1, 0, $noreg, $noreg, undef renamable $q0 ; CHECK-NEXT: MVE_VSTRH16_rq undef renamable $q0, renamable $r1, killed renamable $q0, 0, $noreg, $noreg ; CHECK-NEXT: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.5, implicit-def dead $cpsr ; CHECK-NEXT: t2B %bb.1, 14 /* CC::al */, $noreg ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.6: ; CHECK-NEXT: successors: %bb.7(0x80000000) ; CHECK-NEXT: liveins: $lr, $r0, $r1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $r3, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.7: ; CHECK-NEXT: successors: %bb.7(0x7c000000), %bb.3(0x04000000) ; CHECK-NEXT: liveins: $lr, $r0, $r1, $r3 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $q0, renamable $r0 = MVE_VIWDUPu16 killed renamable $r0, renamable $r3, 2, 0, $noreg, $noreg, undef renamable $q0 ; CHECK-NEXT: MVE_VSTRH16_rq undef renamable $q0, renamable $r1, killed renamable $q0, 0, $noreg, $noreg ; CHECK-NEXT: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.7, implicit-def dead $cpsr ; CHECK-NEXT: t2B %bb.3, 14 /* CC::al */, $noreg bb.0: successors: %bb.7(0x80000000), %bb.1(0x40000000) liveins: $r0, $r1, $r2, $r7, $lr frame-setup tPUSH 14 /* CC::al */, $noreg, killed $r7, killed $lr, implicit-def $sp, implicit $sp frame-setup CFI_INSTRUCTION def_cfa_offset 8 frame-setup CFI_INSTRUCTION offset $lr, -4 frame-setup CFI_INSTRUCTION offset $r7, -8 $sp = frame-setup tSUBspi $sp, 1, 14 /* CC::al */, $noreg frame-setup CFI_INSTRUCTION def_cfa_offset 12 tCMPi8 killed renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr t2IT 0, 8, implicit-def $itstate tCMPi8 killed renamable $r1, 8, 0 /* CC::eq */, killed $cpsr, implicit-def $cpsr, implicit killed $itstate t2Bcc %bb.1, 0 /* CC::eq */, killed $cpsr bb.7: $sp = frame-destroy tADDspi $sp, 1, 14 /* CC::al */, $noreg frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc, implicit undef $r0 bb.1: successors: %bb.3(0x40000000), %bb.7(0x40000000) liveins: $r2 renamable $lr = t2WhileLoopStartLR renamable $r2, %bb.7, implicit-def dead $cpsr t2B %bb.3, 14 /* CC::al */, $noreg bb.3: successors: %bb.4(0x80000000) liveins: $lr, $r2 renamable $r3, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg renamable $r1 = t2ADDri $sp, 2, 14 /* CC::al */, $noreg, $noreg renamable $r0 = IMPLICIT_DEF bb.4: successors: %bb.4(0x7c000000), %bb.2(0x04000000) liveins: $lr, $r0, $r1, $r2, $r3 renamable $q0, renamable $r0 = MVE_VIWDUPu16 killed renamable $r0, renamable $r3, 1, 0, $noreg, $noreg, undef renamable $q0 MVE_VSTRH16_rq undef renamable $q0, renamable $r1, killed renamable $q0, 0, $noreg, $noreg renamable $lr = t2LoopEndDec killed renamable $lr, %bb.4, implicit-def dead $cpsr t2B %bb.2, 14 /* CC::al */, $noreg bb.2: successors: %bb.5(0x40000000), %bb.7(0x40000000) liveins: $r0, $r1, $r2 renamable $lr = t2WhileLoopStartLR killed renamable $r2, %bb.7, implicit-def dead $cpsr t2B %bb.5, 14 /* CC::al */, $noreg bb.5: successors: %bb.6(0x80000000) liveins: $lr, $r0, $r1 renamable $r3, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg bb.6: successors: %bb.6(0x7c000000), %bb.7(0x04000000) liveins: $lr, $r0, $r1, $r3 renamable $q0, renamable $r0 = MVE_VIWDUPu16 killed renamable $r0, renamable $r3, 2, 0, $noreg, $noreg, undef renamable $q0 MVE_VSTRH16_rq undef renamable $q0, renamable $r1, killed renamable $q0, 0, $noreg, $noreg renamable $lr = t2LoopEndDec killed renamable $lr, %bb.6, implicit-def dead $cpsr t2B %bb.7, 14 /* CC::al */, $noreg ... --- name: jump_table tracksRegLiveness: true jumpTable: kind: inline entries: - id: 0 blocks: [ '%bb.3', '%bb.1' ] body: | ; CHECK-LABEL: name: jump_table ; CHECK: bb.0: ; CHECK-NEXT: successors: %bb.3(0x80000000) ; CHECK-NEXT: liveins: $r0, $r1, $r2, $lr ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr ; CHECK-NEXT: t2IT 11, 8, implicit-def $itstate ; CHECK-NEXT: frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.1: ; CHECK-NEXT: successors: %bb.4(0x80000000) ; CHECK-NEXT: liveins: $r0, $r1, $r2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: $lr = t2WhileLoopStartLR killed renamable $r0, %bb.2, implicit-def dead $cpsr ; CHECK-NEXT: t2B %bb.4, 14 /* CC::al */, $noreg ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2: ; CHECK-NEXT: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3: ; CHECK-NEXT: successors: %bb.1(0x7c000000), %bb.2(0x04000000) ; CHECK-NEXT: liveins: $r0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $r5 = t2LEApcrelJT %jump-table.0, 14 /* CC::al */, $noreg ; CHECK-NEXT: renamable $r5 = t2ADDrs killed renamable $r5, renamable $r0, 18, 14 /* CC::al */, $noreg, $noreg ; CHECK-NEXT: t2BR_JT killed renamable $r5, killed renamable $r0, %jump-table.0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.4: ; CHECK-NEXT: successors: %bb.4(0x7c000000), %bb.2(0x04000000) ; CHECK-NEXT: liveins: $lr, $r1, $r2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $r0 = tLDRi renamable $r2, 0, 14 /* CC::al */, $noreg ; CHECK-NEXT: tSTRi killed renamable $r0, renamable $r1, 0, 14 /* CC::al */, $noreg ; CHECK-NEXT: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.4, implicit-def dead $cpsr ; CHECK-NEXT: t2B %bb.2, 14 /* CC::al */, $noreg bb.0: successors: %bb.2(0x80000000) liveins: $r0, $r1, $r2, $lr tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr t2IT 11, 8, implicit-def $itstate frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate bb.1: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc bb.2: successors: %bb.3(0x7c000000), %bb.1(0x04000000) liveins: $r0 renamable $r5 = t2LEApcrelJT %jump-table.0, 14 /* CC::al */, $noreg renamable $r5 = t2ADDrs killed renamable $r5, renamable $r0, 18, 14 /* CC::al */, $noreg, $noreg t2BR_JT killed renamable $r5, killed renamable $r0, %jump-table.0 bb.3: successors: %bb.4(0x80000000) liveins: $r0, $r1, $r2 $lr = t2WhileLoopStartLR killed renamable $r0, %bb.1, implicit-def dead $cpsr bb.4: successors: %bb.4(0x7c000000), %bb.1(0x04000000) liveins: $lr, $r1, $r2 renamable $r0 = tLDRi renamable $r2, 0, 14 /* CC::al */, $noreg tSTRi killed renamable $r0, renamable $r1, 0, 14 /* CC::al */, $noreg renamable $lr = t2LoopEndDec killed renamable $lr, %bb.4, implicit-def dead $cpsr t2B %bb.1, 14 /* CC::al */, $noreg ...